Sub-Chapter2005200620072008200920102011
Salt (including table salt)$5,905,513$5,655,555$6,611,953$7,321,190$7,729,667$8,639,552$13,386,462
Unroasted iron pyrites.  $8,961$36,755$3,647$1,257$16,132
Natural graphite.$341,258$357,345$491,248$433,813$197,719$580,475$691,763
Natural sands of all kinds$8,437,995$9,799,083$15,919,147$18,590,610$10,903,359$15,249,906$16,321,340
Quartz (other than natural sands); quartzite$618,021$233,751$327,405$783,508$281,303$777,144$734,800
Kaolin and other kaolinic clays, whether or not calcined.$8,507,584$9,446,404$9,767,713$9,559,278$6,586,724$7,782,898$9,469,732
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$3,785,954$3,801,773$3,965,201$6,011,737$3,926,992$4,687,113$5,201,338
Chalk.$1,590,429$1,114,930$2,685,382$3,340,168$2,128,761$1,532,447$1,572,011
Natural calcium phosphates$18,734,360$10,125,125$16,468,852$68,000,697$11,542,280$32,307,674$55,138,496
Natural barium sulphate (barytes)$933,596$1,133,443$2,037,982$4,964,993$1,276,767$1,352,729$2,798,174
Siliceous fossil meals$2,228,258$2,620,788$2,657,044$3,137,635$2,108,837$1,947,908$2,070,730
Pumice stone; emery; other natural abrasives$517,389$453,185$420,331$316,298$344,445$178,419$280,458
Slate$29,255$54,922$88,992$98,816$63,431$75,553$43,512
Marble, travertine, ecaussine and other stone$1,601,901$1,152,064$2,309,500$2,034,084$1,066,770$1,671,513$2,200,789
Granite, porphyry, basalt, sandstone and other stone$1,150,373$1,985,480$4,663,307$4,492,234$4,151,265$4,087,627$2,794,535
Pebbles, gravel, broken or crushed stone$5,727,869$8,231,751$7,823,233$9,334,917$5,526,869$5,590,268$6,698,289
Dolomite, whether or not calcined or sintered$174,103$243,099$446,426$807,603$242,054$357,460$526,652
Natural magnesium carbonate (magnesite)$12,192,422$13,126,480$11,635,934$10,490,303$7,075,251$9,440,290$10,356,457
Gypsum; anhydrite; plasters$7,692,910$12,141,183$14,762,822$21,512,910$11,384,119$7,694,419$9,766,710
Limestone flux; limestone$51,408$67,608$90,903$1,128,243$675,207$383,684$453,348
Quicklime, slaked lime and hydraulic lime$1,193,912$2,755,226$3,042,773$1,895,921$755,314$2,051,908$2,400,102
Portland cement, aluminous cement, slag cement$9,910,716$8,693,994$54,119,463$128,280,121$34,620,484$33,547,356$33,701,554
Asbestos.$2,262,597$908,391$2,645$19,685 $1,365 
Mica, including splitings; mica waste.$261,314$282,935$242,270$261,895$265,009$513,376$727,108
Natural steatite, whether or not roughly trimmed$1,001,753$1,058,115$1,061,931$1,051,145$592,404$868,243$990,685
Natural borates and concentrates thereof$5,468$25,770$2,839$24,177$6,114$4,805$1,783
Felspar; leucite and nepheline syenite$3,878,312$3,894,462$5,631,174$5,161,702$3,380,538$4,193,778$5,553,976
Mineral substances$1,924,421$2,031,274$3,887,473$3,219,401$8,089,556$9,656,964$10,950,624
Total$100,659,091$101,394,136$171,172,904$312,309,839$124,924,886$155,176,131$194,847,560